A : iVid will stream any DRM-free video file that is supported by the iPhone and iPod touch video player. This includes H.264 and MPEG-4 encoded videos with m4v, mp4, and mov extensions. For more detailed information, please visit http://www.apple.com/iphone/specs.html

Q : What are iVid and iVidSource?

A : iVid is an application for the iPhone and iPod touch that allows you to stream compatible video files from any number of computers.
iVidSource is the free computer application that streams the video files to iVid.